I'm getting an issue where I make projects with a custom extension that I'm working on, but when I try to load it again it just loads forever. This might be because there's blocks in an unknown extension trying to be loaded, but normally that should just make the blocks appear as red hats. The code for the extension can be found here.

Are you trying to load you custom extension in vanilla Scratch or an external mod? If the former, Scratch won't load the unofficial extension which may be causing the issue.

It's loading on Scratch. I've made projects with custom extensions before and have seen other custom extensions (for example, the 3D extension) that work fine. However, my extension stopped working sometime.

It's worth trying this in Turbowarp instead of Scratch. If other extensions no longer work (the 3D one you linked worked for me earlier this year but didn't work today) then it's probably due to an update in Scratch and you'll need to update your extension-adding code or use a basic mod based off an earlier version of Scratch like this one.

IronBill05 wrote:

It's loading on Scratch. I've made projects with custom extensions before and have seen other custom extensions (for example, the 3D extension) that work fine. However, my extension stopped working sometime.

The way that works is that Scratch already has a “math” extension when loading the project - it has blocks like math_number, which is the text field in the “set x to (0)” block. This way Scratch doesn't detect that there is an unknown extension, and the project can load before running the code that installs the custom extension.

(see last post)
Thanks! That helped a lot. I'm closing this topic now.